Diagrams - Sony HCD-GN77D Service Manual

QQ
3 7 63 1515 0
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and
specified.
• : internal component.
f
• 2 : nonflammable resistor.
• 5 : fusible resistor.
Note:
The components identified by mark 0 or dotted line
with mark 0 are critical for safety.
Replace only with part number specified.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• H : adjustment for repair.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
RF, DMB03, VIDEO, REGULATOR boards section
no mark: DVD PLAY
Other board section
no mark: TUNER (FM/AM)
( ): DVD PLAY
< >: TAPE PLAY
[ ]: TAPE REC
• Voltages are taken with a VOM (Input impedance 10 MΩ).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
TE
tion tolerances.
L 13942296513
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: RECORD
J
: DVD PLAY
c : DVD PLAY (DIGITAL OUT)
q
: MD/VIDEO (AUDIO) IN
j
: GAME IN (AUDIO)
k : GAME IN (VIDEO)
N
: MIC INPUT
• Abbreviation
AUS : Australian model
E3 : 240 V AC Area in E model
EA : Saudi Arabia model
E15 : Iran model
E51 : Chilean and Peruvian model
MX : Mexican model
PH : Philippines model
SP : Singapore model
MY : Malaysia model
TH : Thai model
www
.
http://www.xiaoyu163.com
1 / W or less unless otherwise
4
x ao u163
y
i
http://www.xiaoyu163.com
SECTION 7
2 9
8

DIAGRAMS

Note on Printed Wiring Boards:
• X : parts extracted from the component side.
•
: Pattern from the side which enables seeing.
(The other layers´ Patterns are not indicated.)
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)
Parts face side:
(Side A)
• Indication of transistor.
C
Q
B E
Q
B C E
Q
B C E
• Abbreviation
Q Q
E3 : 240 V AC Area in E model
3 6 7 1 3 1 5
EA : Saudi Arabia model
E15 : Iran model
SP : Singapore model
MY : Malaysia model
TH : Thai model
co
.
HCD-GN77D
9 4 2 8
pattern face are indicated.
Parts on the parts face side seen from the
parts face are indicated.
These are omitted.
These are omitted.
These are omitted.
0 5 8 2 9 9 4 2 8
m
9 9
9 9
23